Maximum Power Tracking Solar Controller Model MPPT 20

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Shanghai
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5 unit
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150 unit/month

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Product Description:

 

1. Structure of MPPT Maximum Power Tracking Solar Controller Model MPPT 15/ MPPT 30

       The controller is an indispensable part of solar system, this MPPT Maximum power tracking solar controller is remarkable, because it can adjust with intelligence the working voltage of solar panels, so that the solar panels can reach the maximum power spot of the V-A characteristics curve during the work. Compared with the common solar controller, this MPPt Maximum power tracking solar controller can increase the use ratio of the solar panels power by 10-30%.

 

 

2. Main Features of MPPT Maximum Power Tracking Solar Controller Model MPPT 20

       ·   Protection against overcharging of the accumulator

·   Protection against over discharging of the accumulator

·   Protection against reverse discharging of the accumulator to solar panels

·   Overload protection and short circuit protection

 

3. MPPT Maximum Power Tracking Solar Controller Model MPPT 20 Images

Maximum Power Tracking Solar Controller Model MPPT 20

 

4. MPPT Maximum Power Tracking Solar Controller Model MPPT 20 Specification

 

Type

 MPPT20-12/25

MPPT20-24/50

Nominal Voltage

 DC12V

DC24V

Voltage scope available for Max. solar power tracking

 12-25V

24-50V

Max. open circuit voltage for solar energy

 25V

50V

Max. charging current

 20Areferring charging current from accumulator

Max. discharging current

 20A

20A

No load losses

 ≤8mA

≤40mA

Off voltage after full charging

 14V

28V

Off voltage when undervoltage

 10.5V

21V

Starting recovery voltage

 12.6V

25.2V

Efficiency

 95%97%

 

5. FAQ

We have organized several common questions for our clients, which may help you sincerely:

a)     How about your capacity?

 We can produce 300,000 set inverter per year currently, 60,000 set solar energy charge controllers. And the product is sold towards domestic and Europe, Australia and Africa etc.

 

b)     How to guarantee the quality of the products?

The company presses the ISO9000 quality management system control product quantity strictly, the export production all passes the relevant national company check (CE, ROHS), and get high evaluation of the customer.

 

c)     How long can we receive the product after signing Sales Confirmation?

Generally speaking, if there is enough quantity of finished products which can meet the clients’ requirement, we can manage the delivery within three to five working days according to the instruction of the payment terms in the Sales Confirmation; if the products need some time to get ready, we will arrange the delivery as soon as possible after the manufacture.

 

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Q:How to choose a solar controller
And you have this system has two loads, you want to separate the controller, you can choose a dual controller! And so on and so on, more details can be consulted with me
Q:What is the meaning of the 30A solar controller?
Solar controller above the marked 30A is the maximum current of the controller is 30A, the general solar controller has 12 / 24V10A 12 / 24V / 15A 12 / 24V20A 12 / 24V30A 24 / 48V10A 24 / 48V20A 24 / 48V30A 24 / 48V60A and so many Type of model. Customers can choose according to their own power size! The The When purchasing the capacity of the controller must be greater than the capacity of solar panels and load! The The
Q:The principle of solar controller
Solar energy is a kind of radiant energy, it must be by means of energy conversion device can be transformed into electric energy.This kind of radiant energy into energy energy conversion device, is the solar cell.C solar cell is the use of photoelectric conversion principle of the sun's radiation through the semiconductor Material conversion into electrical energy devices, this photoelectric conversion process is often called "photovoltaic effect", solar cells, also known as "photovoltaic cells." When the sunlight to the P, N type two different types of conductive semiconductor Material under the PN junction, under certain conditions, the solar radiation is absorbed by the semiconductor material to form a built-in electrostatic field.If the two sides from the built-in electrostatic field leads to the electrode and connected to the appropriate load, it will form a current, which is The basic principle of solar cells. Monolithic solar cell is a thin piece of semiconductor PN junction. Under standard lighting conditions, the rated output voltage is 0.48V. In order to obtain a higher output voltage and larger capacity, often more than one solar cells connected together , At present, the solar cell photoelectric conversion rate is generally around 15%, individual developed countries, laboratory solar cell photoelectric turn The rate has been able to reach about 30%.
Q:How to debug a solar street light controller
Debug mode (6 ·): used for system debugging, when the optical signal is closed load, no light signal load, easy installation and commissioning check the correct installation of the system. Normally open mode (7 ·): The power load remains in the output state, which is suitable for 24 hours power supply.
Q:What is the meaning of the DC load above the solar controller?
Solar controller, there are two major functions, one is used to charge the battery, this is the solar input function. One for the battery discharge, this is the output function. Used to charge is to prevent the electric overshoot is too full, the battery charge bad. Used to discharge is to prevent the discharge too much, the battery damage. Because the battery can not overshoot, too. Discharge, it depends on what the load discharge
Q:How to adjust the solar controller
The controller through the computer chip on the battery terminal voltage, discharge current, ambient temperature and other parameters related to the battery capacity of the sample, through the special control model calculation, to achieve the characteristics of the battery discharge rate, temperature compensation correction of high efficiency, high accuracy rate control , And adopted a high efficiency PWM battery charging mode, to ensure that the battery work in the best condition, greatly extending the battery life. With a variety of work patterns, output mode selection, to meet the various needs of users.
Q:Solar controller 10a, a represents what
In addition, the general controller will be marked as single-phase or three-phase power, according to P = UI (power = voltage * current) this formula, you can infer the corresponding power, in the choice of output devices (such as pumps) can not exceed this power.
Q:What brand of solar controller is good
Above these products are also good quality, your problem is the price, which the highest? This is mainly to see the local dealer pricing, and some require profit is not high, the price is cheap; some require high profits, the price is expensive. So I put these products and then divided into 369 and so on, give you a quality reference, you go and dealers brave bargain go. Best: Tsinghua sunshine (in addition to fast music series), Emperor Ming, billion Canon. General: Hua Yang, Qunlang, Sang Le, brilliant, sun rain, four seasons Mu bad: Tian Pu. Disclaimer: I am not above any of the company's employees, our company's products can also, the price is cheaper than them, our retailers do not know where you are there.
Q:Solar water heater all intelligent controller how to install
This is the most widely used solar water heater installation program, the solar energy operation by the solar controller 8 control, when the solar water heater tank water level below the minimum water level, the controller to open the solenoid valve 1, making the water tank, When the water level rises to the user set the highest water level, the controller closes the solenoid valve 1, the water stops. The user can specify the water time, when the specified time to, as long as the water level does not exceed the maximum water level, the controller will open the solenoid valve 1 water until the water level to the highest water level. The controller can also manually force the water: When the manual water key is pressed, the controller opens the solenoid valve until the water level reaches the highest water level.
Q:How does the solar controller set up Sheung Shui?
Press and hold the water level key for 3 seconds, hear the "drop" sound, the display temperature of the two digits and the "time to add water" indicator light at the same time flashing, repeat the water level key to set the time to add water time. Set the time in Beijing plus the number of hours set into the regular water, such as set at 12 o'clock in the hour, regularly at 8 o'clock every day on the water, set the number of hours 20 (range 00-23), wait 5 seconds to automatically save and exit the "regular water" indicator light is on, the regular water function takes effect, after 8 o'clock every day will start the regular water. To cancel the time to add water: hold the water level key for 3 seconds, hear the "drop" after the "time to add water" indicator off, the time to add water function to cancel.

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